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Summary of Contents for McIntosh MC 2255
- Page 1 Illtlnt05h eess OWNER'S MclNTOSH eess SOLID STATE STEREO POWER AMPLIFIER _002S .0025 Price $2.00 Reading Time: 31 Minutes...
- Page 2 Your MC 2255 Stereo Power Amplifier will give you many years of pleasant and satisfactory performance. If you have any questions, please contact: contents CUSTOMER SERVICE McIntosh Laboratory Inc. 2 Chambers Street Binghamton, New York 13903 SERVICE INSTALLATION Phone: 607-723-3512...
- Page 3 A and B holes. Then, using a drill veniently and securely is a direct result of McIntosh bit slightly wider than the tip of your saw blade, drill research. By depressing the two PANLOC buttons one hole at each of two diagonally opposite corners.
- Page 4 Install the Mounting Strips through PANLOC bracket flange, the cabinet In the hardware package you will find two mounting panel, then through mounting strips strips and two sets of machine screws. For panels previously mounted. that less than 1/2 inch thick, 3/4 inch Install...
- Page 5 AC power cords. All connec- Use lamp cord or wire with similar insulation tions are made on the back panel of the MC 2255. connect the speakers to the amplifier. In all cases, the leads...
- Page 6 For output POWER voltage of Connect for: The MC 2255 operates on 120 volts 50/60 Hz. The auxiliary AC OUTLET on the MC 2255 is not fused or 25 volts 4 ohms switched. MONOPHONIC OR SINGLE CHANNEL OPERATION When the MC 2255 is used as a monophonic...
- Page 7 stereophonic connections PROGRAM SOURCE Illtlnt05h 2255 STEREO POWER AMPLIFIER CuSS •Oyo •nose. cos.tcnoss, MODE SWITCH RIGHT output LEFT output •oxo 2 sov LEFT RIGHT MUST BE IN STEREO SPEAKER SPEAKER POSITION STEREO PROGRAMS...
- Page 8 Mono•Brldge connections PROGRAM SOURCE Illtlntosh 2255 STEREO POWER AMPLIFIER no"' voso MODE SWITCH INPUT RIGHT output LEFT OUTPUT •Oso 2.5V sono .75V (CONNECTIONS 8 OHM SPEAKER ILLUSTRATED) CONNECTIONS SHOWN FOR MONO WHEN MODE SWITCH IS IN THE MONO.BRIDGE POSITION SPEAKER...
- Page 9 connections PROGRAM SOURCE Illtlntosh 2255 STEREO POWER AMPLIFJER MOSO auojo MODE SWITCH RIGHT OUTPUT LEFT OUTPUT sena' (CONNECTIONS 4 OHM SPEAKER ILLUSTRATED) CONNECTIONS SHOWN MONO WHEN MODE SWITCH IS IN THE MONO.PARALLEL POSITION SPEAKER...
- Page 10 When the output of MC 2255 is connected output load impedances. for monophonic operation and the rear panel MODE The meters respond to the peak output of each SWITCH...
- Page 11 While the MC 2255 ON position. Be sure the AC cord of the MC 2255 is cannot reach this power level...
- Page 12 POWER LEFT RIGHT OUTPUT TERMINALS The input to the MC 2255 is 120 volts 50/60 Hz at For stereo operation, output impedances of 1, 2, 4 up to 12 amps. The primary circuit is protected...
- Page 13 Limits the maximum deviation from perfection permitted for a McIntosh instru- INTERMODULATION DISTORTION ment. We promise you the MC 2255 you buy must be STEREO capable of performance at or exceeding these limits 0.02% maximum if instantaneous peak power out- or you get your money back.
- Page 14 performance cnarts 2255 FREQUENCY RESPONSE CURVE OUTPUT IMPEDAN E: 89 POWER OUTPUT: 1 WATT 100k FREQUENCY IN Hz 2255 CHANNEL SEPARATION FREQUENCY OUTPUT IMPEDANCE: INPUT IMPEDANCE: FREQUENCY IN Hz 2255 HARMONIC DISTORTION PERFORMANCE CHARTS FREQUENCY STEREO CHANNEL WITH BOTH CHANNELS OPERATING.
- Page 15 2255 POWER BANDWIDTH 0.02% HARMONIC DISTORTION 100k FREQUENCY IN Hz MC 2255 1M DISTORTIO POWER CHANNELS DRIVEN 2 .04 POWER IN WATTS...
- Page 16 1, 2, 4 and 8 PARALLEL MODE is selected the channels operate ohms. The MC 2255 will deliver full power over the in phase. The channels, of course, also operate entire audio frequency...
- Page 17 In the WATTS SYSTEM TEST CIRCUIT mode the discharge of the peak holding capacitor When AC line power is applied to the MC 2255 the controlled by a resistor current source. In WATTS System Test circuit functions...
- Page 18 MclNTOSH MC 2255 STEREO POWER AMPLIFIER...
- Page 19 Illtlntosh MclNTOSH LABORATORY INC. 2 CHAMBERS ST., BINGHAMTON, N.Y. 13903 607-723-3512 The continuous improvement of its products is the policy of McIntosh Laboratory Incorporated who reserve the right to improve design without notice. Printed in U.S.A.
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